{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["DNA", "protein", "RNA", "cell line", "cell type"], "input": "A cis-acting element ( P sequence ) resides in the 5' upstream region ; no additional DNA segments with enhancer activity were identified in the human IL-4 gene ."}
{"DNA": ["cis-acting element", "P sequence", "5' upstream region", "DNA segments", "human IL-4 gene"], "protein": [], "RNA": [], "cell line": [], "cell type": []}